T-MOTOR U15L Drone Propulsion System Overview
The T-MOTOR U15L heavy-duty drone propulsion system integrates a high-thrust drone motor, a 24S 300A ESC, and an ultra-lightweight NS47×18 carbon fiber propeller. This system can provide up to 63kg of thrust at a voltage of 50-100V, suitable for heavy-load applications such as manned aircraft and heavy-lift cargo drones.
U15XL Propulsion Kit – Key Highlights
Unstoppable Thrust Power
The T-MOTOR U15L KV43 motor unleashes 63kg of thrust, enabling heavy-payload operations with exceptional efficiency and dependable thermal performance.
Precision Power Control
The Thunder 300A 24S ESC provides smooth, accurate throttle response—ensuring stable and safe flight performance even under extreme loads.
Ultra-Light Propeller, Ultra-High Efficiency
The NS47×18 carbon fiber propeller offers low inertia, fast responsiveness, and durable construction, reducing energy consumption and improving overall flight time.
Perfect For
- Manned eVTOLs (electric Vertical Take-Off and Landing)
- Cargo drones requiring extended flight times
- Industrial UAVs for logistics and emergency delivery
Related Propulsion Systems
U15XL Propulsion System – 81kg Max Thrust for Manned Aircraft and Heavy Logistics Drones
U15XXL Propulsion System – 100kg Max Thrust for Manned Aircraft and Heavy-Lift Dronese




| Specifications-U15L KV43 | |||
| Motor Item | U15L KV43 | Weight (Incl. Cable) | 3600g |
| Motor Dimensions | Φ151.5*86mm | Internal Resistance | 20mΩ |
| Lead | Enameled Wire200mm | Configuration | 36N42P |
| Shaft Diameter | 25mm | Rated Voltage(LiPo) | 24S |
| Idle Current(10V) | 4.0A | Peak Current(120s) | 135A |
| Rated Power | 2800W | ||
| Specifications-Thunder 300A 24S | |||
| ESC Item | thunder 300A 24S | Weight(Incl. cables) | 870g |
| Size | 154.9*69.6*48.9mm | BEC | No |
| Programable Item(s) | No | Support Voltage | 14-24S |
| Con. Current | 150A | Peak Current(10S) | 300A |
| Specifications-NS47*18 Inch Propeller | |||
| Model NO. | 47*18 | Weight(Single Blade) | 320±20g |
| Material | CF+Epoxy | Suface Treatment | Glossy |
| T-MOTOR Series | 2blades-intergrated | ||
|
Test Data |
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| Type | Propeller | Throttle | Voltage (V) |
Thrust (g) |
Torque (N*m) |
Current (A) |
RPM | Power (W) |
Efficiency (g/W) |
Operating |
|
U15L KV43 |
47*18" | 30% | 99 | 9563 | 5.22 | 9.43 | 1239 | 929 | 10.30 | 155 (Ambient Temperature: 32) |
| 35% | 98 | 11668 | 6.30 | 12.11 | 1413 | 1192 | 9.80 | |||
| 40% | 98 | 14955 | 8.06 | 16.72 | 1566 | 1646 | 9.10 | |||
| 45% | 98 | 20009 | 10.77 | 24.74 | 1809 | 2434 | 8.20 | |||
| 50% | 98 | 24767 | 13.33 | 33.35 | 2019 | 3279 | 7.60 | |||
| 55% | 98 | 28438 | 15.34 | 40.56 | 2193 | 3984 | 7.10 | |||
| 60% | 98 | 31314 | 16.94 | 46.64 | 2313 | 4572 | 6.80 | |||
| 65% | 98 | 36747 | 19.95 | 58.94 | 2469 | 5769 | 6.40 | |||
| 70% | 98 | 38966 | 21.22 | 64.97 | 2580 | 6359 | 6.10 | |||
| 75% | 98 | 48025 | 26.26 | 87.88 | 2799 | 8580 | 5.60 | |||
| 80% | 97 | 50683 | 27.84 | 95.31 | 2913 | 9286 | 5.50 | |||
| 85% | 97 | 53225 | 29.28 | 102.47 | 2973 | 9976 | 5.30 | |||
| 90% | 97 | 56197 | 30.90 | 110.95 | 3060 | 10788 | 5.20 | |||
| 95% | 97 | 60146 | 33.17 | 123.93 | 3156 | 12036 | 5.00 | |||
| 100% | 97 | 63383 | 35.04 | 134.64 | 3210 | 13109 | 4.80 | |||
| Note: Temperature is motor coiling temperature at 100% throttle running 2mins. (Date above based on benchtest are for reference only, comparion with that of other motor types is not recommended.) |
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